Skeetendo

I am trying my hand at hex editing I downloaded 2 hex editors-Hexecute and Goldfinger and 2 map editors Pokemap and goldmap for Gen 1 and Gen 2 respectively.
I read few tutorials and built some tables but I don't know how to locate a particular script in gen1 or gen2 games.I read a tutorial by Miksy91 about basics but she used a firered rom and advance map which are 3rd gen not 1 or 2.(and Jhotomap or megamap aren't working for me).So how can I locate these offsets with tools I am using.Any tutorials without videos are welcome.
(and if you don't want to answer then don't but do not post replies like "this have been asked before" or something like that because I searched very much already).